Polar bears, caribou and 11 other species that depend on America’s national wildlife refuges https://t.co/5uQwLZ6zLs

Threatened by habitat loss, the frosted flatwoods salamander inhabits just 10 breeding ponds within Florida's St. Marks National Wildlife Refuge , traditionally a stronghold for the species within its federally tabbed few-dozen-mile critical habitat area. The southeastern U.S. has been called "the center of amphibian biodiversity " in America, and conserving ponds and other salamander-friendly spots in the region amid climate change will help ensure these imperiled creatures live to fight another day. Some species are not listed under the Endangered Species Act, but are still vulnerable due to future development plans and rely on the protection offered by national wildlife refuges: Porcupine Caribou Herd – Arctic National Wildlife Refuge (Alaska) Credit: Peter Mather While the Porcupine Caribou Herd is not threatened or endangered, and is in fact one of Alaska’s largest ca...